(0 21 2)(1 6 4)(3 15 12 10 7)(5 17 14)(8 11 9)(13 19 16)(18 22 20)
ALLOWS (11/8)-SEQUENCE
1: (1 6 15)

(0 21 2)(1 12 10 7 3 15 4)(5 17 14)(6)(8 11 9)(13 19 16)(18 22 20)
2: (5 17 14)

(0 21 2)(1 12 10 7 3 15 4)(5)(6)(8 11 9)(13 19 16)(14)(17)(18 22 20)
3: (4 10 15)

(0 21 2)(1 12 10)(3 15 7)(4)(5)(6)(8 11 9)(13 19 16)(14)(17)(18 22 20)
4: (13 19 16)

(0 21 2)(1 12 10)(3 15 7)(4)(5)(6)(8 11 9)(13)(14)(16)(17)(18 22 20)(19)